By ideal here I mean something more like known-good. A baseline of expected behavior against which I can compare. The permutations of version combinations in a

By ideal here I mean something more like known-good. A baseline of expected behavior against which I can compare. The permutations of version combinations in a typical 'production' dependency specification can get very large, and there just as much benefit to having devs start from the same working version for a library as a program.